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Form
Phonology, morphology, syntax
Phonology
The study of the sounds systems in a language
Morphology
Aspect of language concerned with the rules governing change in meaning at the intraword level
Syntax
How words are arranged in sentences
Content
Semantics
Semantics
The study of word and language meaning
Use
Pragmatics
Pragmatics
The use, function, or purpose of communication, the study of communicative acts and contexts, affected by purpose of communication, roles, gender, race, ethnicity , culture , personal characteristics
Kinesics
No verbal rule of language , body posture and movement
Proxemics
Nonverbal rule of language concerned, use of space